Nieco MV74 Electric User manual

WARNING:
Improper installation, adjustment, alteration, maintenance can cause property damage, injury,
or death. Read the installation, operating and maintenance instructions thoroughly before
installing or servicing this equipment.
IMPORTANT: RETAIN THIS MANUAL IN A SAFE PLACE FOR FUTURE REFERENCE
Broiler must be kept free of combustible materials, and the flow of ventilation air must not
be obstructed. Operating personnel must not perform any maintenance or repair functions.
Contact your Nieco Authorized Service Agent for service or repair.
Model MV74 Electric
Owner’s Manual
Fill in the information bellow and have it handy when calling your authorized service agency for assistance.
The serial number is on the broiler rating plate on the back of the unit.
Purchased from: __________________________________________________________
Date of Purchase: _________________________________________________________
Model No.:_______________________________________________________________
Serial No.: _______________________________________________________________

2
Model MV74 Electric
III. OPERATION
MV74E
1. Do not store or use gasoline or other flammable vapors or liquids in the vicinity
of this or any other appliance.
2. Broiler area must be kept free of combustible materials, and the
flow of combustion and ventilation air must not be obstructed.
3. Operating personnel must not perform any maintenance
or repair functions. Contact your Nieco Authorized Service Agent.
3. Do not use this appliance in an area where a water jet could be used.
4. Do not clean the appliance with a water jet.
5. If the power supply cord is damaged, it should only be replaced by a certified
electrician.
6. A switch with an all-pole disconnection and a contact separation must be
included in the fixed wiring.
7. It is recommended that walls, et cetera, in the proximity of the appliance be
made of non-combustible material, if not, they must be clad with a suitable
non-combustible heat-insulating material and that the closest attention be paid
to fire-prevention regulations.
8. This appliance is not intended for use by persons (including children) with
reduced physical, sensory or mental capabilities, or lack of experience and
knowledge, unless they have been given supervision or instruction concerning
use of the appliance by a person responsible for their safety. Children should be
supervised to ensure that they do not play with the appliance.
IMPORTANT
Keep these instructions for future reference.
If the unit changes ownership, be sure this manual accompanies the equipment.
Warnings & Safety Guidelines

3
Model MV74 Electric
III. OPERATION
MV74E
I. General Information .......................................... 4–6
A Description ................................................... 4
B Warranty Information ........................................... 4
C Service/Technical Assistance...................................... 5
D Safety Information.............................................. 5
II. Machine Installation .......................................... 7–9
A Pre-Installation................................................. 7
B Mounting..................................................... 7
C Leveling ...................................................... 7
D Hood Requirements ............................................ 7
E Clearance..................................................... 7
F Electrical Connection . . . . . . . . . . . . . . ...... . . . . . . . . . . . . . . . . . . . . . 8
G Pre-Operation Check . . . . . . . . . . . . . . . . ...... . . . . . . . . . . . . . . . . . . . 8
III. Operation................................................. 9–21
Power Switch & Controls ........................................ 9
Touch Screen Controls ......................................... 10
Powering the Broiler ........................................... 11
Shutdown Procedures .......................................... 12
Basic Operation: On/Off ........................................ 13
Selecting a Recipe............................................. 14
Manager Settings Control Screen................................. 15
Adjusting Broiler Temperature/Broiler Calibration ................. 15
How to Adjust Recipe Cook Time .............................. 16
How to Add a New Recipe.................................... 17
IV. Assembly/Disassembly and Cleaning ........................... 18–33
Cleaning Process Visual Guide ................................... 19
Clean Every 4 Hours .........................................22-23
Clean Daily ................................................24-30
Clean Weekly ................................................ 31
Clean Monthly ..............................................32-33
V. Parts List and Wiring Diagrams ............................... 34–37
Table of Contents

4
Model MV74 Electric
III. OPERATION
MV74E
A. Description
The Nieco®Model MV74E automatic broiler features high-release convection burners, BroilVection™ air system
that uses waste heat to greatly reduce energy needs, simplify cleaning and a streamlined touchscreen control
package to help eliminate broiling problems and provide the operator with even greater control over the broiling
environment.
This manual provides the safety, installation and operating procedures for the Nieco Automatic Broiler Model
MV74E.
We recommend that all information contained in this manual be read prior to installing and operating the broiler.
B. Warranty Information
Please read the full text of the Limited Warranty that was included with the broiler.
If the unit arrives damaged, contact the carrier immediately and file a damage claim with them. Save all
packing materials when filing a claim. Freight damage claims are the responsibility of the purchaser and
ARE NOT covered under warranty.
The warranty does not extend to:
• Damages caused in shipment or damage as a result of improper use.
• Installation of electrical service.
• Normal maintenance as outlined in this manual.
• Malfunction resulting from improper maintenance not in accordance with the steps contained in this manual
and any applicable training.
• Damage caused by abuse or careless handling outside of the normal operating procedures contained in this
manual.
• Damage from moisture into electrical components.
• Damage from tampering with or removal of any safety device.
Keep these instructions for future reference.
If the unit changes ownership, be sure this manual accompanies the equipment.
IMPORTANT
Nieco, LLC reserves the right to change specifications and product design.
Such revisions do not entitle the buyer to corresponding changes, improvements, additions,
or replacements for previously purchased equipment.
General Information

5
Model MV74 Electric
III. OPERATION
MV74E
C. Service/Technical Assistance
If you experience any problems with the installation or operation of your broiler, contact your local Nieco
Authorized Service Agent.
You may contact the factory direct at [phone] if you have trouble locating your local Authorized
Nieco Service.
Use only genuine Nieco replacement parts in your broiler.
Use of replacement parts other than those supplied by Authorized Nieco Service Agencies will void the
warranty and may significantly alter the performance of your broiler.
The use of non-Nieco parts is capable of affecting these criteria, and may affect broiler performance, parts
longevity and food safety.
D. Important Safety Information
Throughout this manual, you will find the following safety words and symbols that signify important safety
issues with regards to operating or maintaining the equipment:
WARNING
GENERAL WARNING
Indicates information important to the
proper operation of the equipment.
Failure to observe may result in damage to
the equipment and/or severe bodily injury
or death.
WARNING
ELECTRICAL WARNING
Indicates information relating to
possible shock hazard.
Failure to observe may result in
damage to the equipment and/or
severe bodily injury or death.
CAUTION
GENERAL CAUTION
Indicates information important to the
proper operation of the equipment.
Failure to observe may result in
damage to the equipment.
WARNING
HOT SURFACE WARNING
Indicates information important to the
handling of equipment and parts.
Failure to observe caution could result
in personal injury.
General Information

6
Model MV74 Electric
III. OPERATION
MV74E
D. Important Safety Information, continued
In addition to the warnings and cautions in this manual, use the following guidelines for safe operation of your
Nieco Automatic Broiler:
• Read and follow all instructions before using this equipment.
• Install or locate broiler only for its intended use as described in this manual. Installation must be in accordance
to the codes within the country in which the appliance is installed
• Do not operate this equipment if it has a damaged cord or plug, if it is not working properly or if it has been
otherwise damaged.
• This equipment should only be serviced by authorized personnel. Contact your local Nieco Service Agent for
adjustment or repair.
• Use only genuine Nieco replacement parts for your broiler. Failure to do so will void the warranty and may
significantly alter the performance of your broiler. The use of non-Nieco parts is capable of affecting these
criteria, and may affect broiler performance, parts longevity and food safety.
The following warnings and cautions appear throughout the manual and should be carefully observed:
• Turn the broiler off, close the main gas valve, and disconnect the plug before performing any service,
maintenance or cleaning on the broiler.
• Always allow the broiler to fully cool before performing any service, maintenance or cleaning. Failure to wait
for the broiler to cool fully may result in personal injury.
• The procedures in this manual may include reference to the use of chemical products. The Nieco Corporation
does not endorse the use of any particular cleaning/degreasing agent. Use only those chemicals that are
approved for use in your kitchen.
• The broiler should be grounded according to local electrical codes to prevent the possibility of electrical shock.
It requires a grounded receptacle with separate electrical lines, protected by fuses or circuit breakers of the
proper rating.
• All electrical connections must be in accordance with local electrical codes and any other applicable codes.
• The use of adequate ventilation with this broiler is mandatory and must be in accordance with the regulations
in force.. Failure to adequately ventilate this unit and provide safe operating distances (as specified in this
manual) is a fire safety hazard. Follow the instructions for emergency broiler shutdown in the event of an
emergency.
• No attempt should be made to operate this appliance in the event of a power failure.
WARNING ELECTRICAL SHOCK HAZARD. FAILURE TO FOLLOW THESE INSTRUCTIONS
COULD RESULT IN SERIOUS INJURY OR DEATH:
• Electrical ground is required on this appliance.
• Check with a qualified electrician if you are in doubt as to whether the appliance is properly grounded.
• Do not use water on or near the control box for risk of serious injury or death due to electrical shock.
WARNING, HIGH TEMPERATURES WITH HOT SURFACES. FAILURE TO FOLLOW THESE
PROCEDURES COULD RESULT IN SERIOUS INJURY:
• Do not attempt to clean, disassemble or perform maintenance on this broiler until it is fully cooled as per the
instructions contained in this manual.
General Information

7
Model MV74 Electric
III. OPERATION
MV74E
A. Pre-Installation
Uncrate the broiler and inspect for shipping damage. Remove all packaging securing the machine parts,
and install the parts in their proper location. If there are obvious or concealed damages to any part of the
broiler, please contact your freight carrier. The factory warranty does not cover freight damage.
B. Mounting
Follow the mounting instructions if this function is not performed by the installer.
C. Leveling
The grease drain system is based on a gravity-flow design. Therefore, it is extremely important that the
broiler be placed on a level surface.
D. Hood Requirements
This appliance must be installed under a ventilation hood of adequate size. Do not obstruct the flow of
combustion and ventilation air. An adequate air supply must be available for safe and proper operation.
E. Clearance
Keep appliance area free from combustibles.
To facilitate disassembly and service of the unit a minimum of 24” (610 mm) should be allowed on all
three sides of the broiler
Installation
REQUIRED CLEARANCES
Installation near combustible walls
and construction
Installation near non-combustible walls
and construction
Back of broiler 12" (305 mm) 0” (0 mm)
Sides of broiler 12" (305 mm) 0” (0 mm)
Front (Feed End) 12" (305 mm) 0” (0 mm)

8
Model MV74 Electric
III. OPERATION
MV74E
F. Electrical Connection
Power requirements are stated on the unit rating label. This appliance, when installed must be must be
connected in accordance with the regulations in force. Before starting broiler, tighten all electrical connections
in control box. An electrical wiring diagram can be found inside the control box.
Note: Disconnect power before servicing.
G. Pre-Operation Check
Be sure that all parts are installed in the proper location:
 Ventilation is turned on
Broiler is plugged in
Installation

9
Model MV74 Electric
III. OPERATION
MV74E
Operation: Power Switch & Controls
The Touch Screen Control Panel
takes approximately 30-45 seconds
to power on after main power switch
has been turned on.
Main On/Off Switch
is used to power the
broiler on or off
Touch Screen Control
Panel:
• Controls all operation
of the broiler
• Turns on/off
cook chamber

10
Model MV74 Electric
III. OPERATION
MV74E
The touch screen control home screen contains the majority of settings required for general
operation, as well as access for advanced controls, like Manager settings. You can also access a
visual guide to the cleaning process from this screen.
Lane Number
corresponds to Left or
Right Belt.
• Lane 1 is the Left Belt
• Lane 2 is the Right Belt
Recipe Name
Select Recipe
Tap Semi-circles to select
recipe for each lane
Temp Bubble
Green light indicates
ready to cook
REV
hold down to reverse
belt
Manager Settings
Access controls for
Temperature, Editing
Recipes, and Calibration
Default Password: 123
Factory Settings
Not accessed for general
operation purposes.
Power
Tap to access on/off for
cook chamber
Cleaning
Tap to access cleaning
sequence visual guide.
Note: Recipe name and
controls are in grey if
chamber is not on.
Operation: Touch Screen Controls
1
2
ITEM 1
Rev

11
Model MV74 Electric
III. OPERATION
MV74E
Operation: Powering the Broiler
1. Turn the MAIN POWER SWITCH on.
Note: The Touch Screen Control Panel takes approximately 30-45
seconds to power on after main power switch has been turned on.
2. Use Touch Screen Control to turn on the LEFT/RIGHT
cooking chambers.
3. Allow broiler to heat for 45 minutes before cooking.
POWERING THE BROILER
PREPARATION
1. Broiler is centered under hood and plugged in.
2. The Incendalyst™must be installed.
3. Turn ventilation system on.
WARNING
THE VENTILATION SYSTEM MUST BE
ON AT ALL TIMES DURING BROILER
OPERATION.
OPERATING BROILER WITHOUT
PROPER VENTILATION IS A SEVERE
FIRE HAZARD.
1
2

Model MV74E Electric
Shutdown Procedures
PLANNED SHUTDOWN
EMERGENCY SHUTDOWN
No attempt to operate this
appliance should be made in
the event of a power failure.
CAUTION
FOR YOUR SAFETY: Do not store
or use gasoline or other flammable
vapors or liquids in the vicinity of this
or any other appliance.
12
CAUTION
FOR YOUR SAFETY: In the event
of a prolonged power failure, no
attempt should be made to operate
this appliance.
1. Allow the broiler
to run free of any
product for 10
minutes. This will
burn the chain
clean
2. Use Touch Screen
Control to turn
LEFT/RIGHT
Chambers
to Off.
3. Turn off the
MAIN POWER
SWITCH.
4. Wait for the
broiler to cool
to begin Daily
Cleaning.
Turn off the
MAIN POWER
SWITCH
MV74E

13
Model MV74E Electric
Basic Operation: Power On/Off
12
MV74E
Flip Broiler ON/OFF
Switch to Power Broiler
Wait 30–45 Seconds for
Touch Screen Control to
Power On
Touch Power to
Turn Cooking Chambers On
Touch Toggle Switch To
Turn On or Off
POWER TIPS:
Main On/Off Switch
is used to power the
broiler on or off
Touch Screen
Control Panel:
• Controls all
operation of the
broiler
• Turns on/off
cook chamber
2
3
1
4

14
Model MV74 Electric
III. OPERATION
MV74E
Selecting a Recipe
Click next recipe (semi-circle) to toggle and select the recipe for each Belt Lane.
Lane 1 is the Left Belt
Lane 2 is the Right Belt
Touch to Toggle
Recipe Selection
For Left Belt
Touch to Toggle
Recipe Selection
For Right Belt
2
1
MV74E

15
Model MV74 Electric
III. OPERATION
MV74E
Manager Settings Control Screen
MV74E
Recipe Settings
Temperature Settings
Touch to enter the Recipe Screen
Touch to Adjust the temperature
setting. The actual temperature is
displayed above.
Touch to access
Manager Settings
Screen
Password: 123
Use the Manager Settings Control Screen to access, monitor and set broiler temperature settings,
and add or adjust recipe settings.
2
1 1
2
1
1. Set L/R chambers to 240°C (465°F).
2. Allow broiler to heat for 45 minutes.
3. Perform Cookout.
4. Adjust Recipe cook time as necessary
to achieve Cookout Specifications.
Note: Calibration button is not currently
used for the Calibration process.
Broiler Calibration

16
Model MV74 Electric
III. OPERATION
MV74E
How to Adjust Recipe Cook Time
If temperature tests indicate that additional cook time is needed to reach proper temperature,
best practice is to adjust the specic product Recipe setting for your MV74E.
Adjust Recipe
Increase or decrease belt
speed time in 5second
increments as required.
Select Save to conrm
new recipe setting, then
touch ←to return to the
Manager Settings Screen.
Select Lane
1 Left
2 Right
Select Recipe
Select Product Recipe
to adjust.
eg. ITEM 1
Access Manager
Settings Screen
Password: 123
Access Recipe
Settings Screen
Belt Speed
Time is displayed in seconds
• Lower time = faster cooking
• Higher time = slower cooking
Tip: As a general guide,
adjust time/speed in 5
second increments to
achieve desired product
temperature.
Edit Name
Touch Recipe Name to edit
2 31
4

17
Model MV74 Electric
III. OPERATION
MV74E
How to Add a New Recipe
The Recipe Screen is accessed through the Manager Controls Screen.
Select Lane
1 Left
2 Right
Select Recipe
Touch
(Add New Recipe)
Access Manager
Settings Screen
Password: 123
Access Recipe
Settings Screen
2 31
Adjust Recipe
Increase or decrease belt
speed time in 5second
increments as required.
Select Save to conrm
new recipe setting, then
touch ←to return to the
Manager Settings Screen.
Edit Name
Deleting a Recipe
Touch Name to edit
Touch and hold Recipe Name,
then touch Yes to Delete
selected Recipe.
4Belt Speed
Time is displayed in seconds
• Lower time = faster cooking
• Higher time = slower cooking
Tip: As a general guide,
adjust time/speed in 5
second increments to
achieve desired product
temperature.

18
Model MV74 Electric
III. OPERATION
MV74E
Cleaning & Disassembly
ALL PARTS ARE CLEANED ON A DAILY BASIS UNLESS OTHERWISE NOTED
Follow the steps for proper disassembly. Reverse the order for reassembly.
WARNING
BROILER PARTS ARE HOT.
DON’T ATTEMPT TO DISASSEMBLE
THE BROILER UNTIL IT IS FULLY
COOL. FAILURE TO FOLLOW
THIS INSTRUCTION MAY RESULT
IN SEVERE INJURY.
CAUTION
FOLLOW THE DISASSEMBLY AND
REASSEMBLY STEPS TO ENSURE
PROPER OPERATION OF THE
BROILER.
FAILURE TO DO SO MAY RESULT
IN OPERATIONAL PROBLEMS.
WARNING
LEAVE THE VENTILATION HOOD
ON DURING COOLING.
FAILURE TO DO SO COULD POSE
A FIRE SAFETY HAZARD.
• Turn broiler off.
• Disconnect the power supply
to the broiler before cleaning
or servicing.
• Allow to cool for 30 minutes
prior to cleaning/disassembly.
• Leave the ventilation system
on during cooling.
• Use only approved cleaning,
degreasing and sanitizing
solutions.
• If this broiler is connected using a
restraint, and disconnection of the
restraint is necessary for cleaning
or moving the broiler, the restraint
must be reconnected after the
broiler has been returned to its
originally installed position.

19
Model MV74 Electric
III. OPERATION
MV74E
III. OPERATION
MV74E
Cleaning Process Visual Guide
You can access a visual guide to the cleaning process from the touch screen control home screen.
The images reflect the same process contained in this manual and in the MV74E cleaning chart poster.
Cleaning
Touch to access cleaning
sequence visual guide.
Every 4 Hours
Daily
Weekly
Monthly

20
Model MV74 Electric
III. OPERATION
MV74E
How To Read The Cleaning Section
Every 4 Hours
Daily
Weekly
Monthly
The location of the part When to clean the part
Picture of the part to be
removed and cleaned
How to remove and
clean the parts
The tools needed
to clean the part
The name of the part to be cleaned
Step in Cleaning Chart Frequency Color Code
Cleaning & Disassembly Guide